Finding the Fourth Proportional to 75,415,113.59, 113,121,947.56 and 44,687,574.26
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Solution
The fourth proportional to 75,415,113.59, 113,121,947.56 and 44,687,574.26 is: 67,030,933.07
Step by Step Solution
- Step 1: Write the proportion equation
75,415,113.59 : 113,121,947.56 = 44,687,574.26 : x - Step 2: Convert to fraction form
75,415,113.59/113,121,947.56 = 44,687,574.26/x - Step 3: Cross multiply
75,415,113.59x = 113,121,947.56 × 44,687,574.26 - Step 4: Simplify right side
75,415,113.59x = 5,055,145,431,457,716 - Step 5: Solve for x
x = 5,055,145,431,457,716/75,415,113.59 - Step 6: Final answer
x = 67,030,933.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.